Ó hIongardail
Ó hIONGARDAIL—I—O Hingerdell, O Hungerdell, O Higerdell, (Harrington); 'descendant of Iongardal'; now pronounced Ó hÚrdail; the name of well-known and numerous family in West Cork and South Kerry; also formerly common in Tipperary; now always anglicised Harrington.
Alphabetical Index to Irish Surnames